diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index d4c4c51..18a6790 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -172,7 +172,7 @@
 
 /* Function to register/unregister log function. */
 int nf_log_register(int pf, struct nf_logger *logger);
-int nf_log_unregister_pf(int pf);
+void nf_log_unregister_pf(int pf);
 void nf_log_unregister_logger(struct nf_logger *logger);
 
 /* Calls the registered backend logging function */
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index a3ff88d..814bab7 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -40,19 +40,16 @@
 }		
 EXPORT_SYMBOL(nf_log_register);
 
-int nf_log_unregister_pf(int pf)
+void nf_log_unregister_pf(int pf)
 {
 	if (pf >= NPROTO)
-		return -EINVAL;
-
+		return;
 	spin_lock(&nf_log_lock);
 	rcu_assign_pointer(nf_logging[pf], NULL);
 	spin_unlock(&nf_log_lock);
 
 	/* Give time to concurrent readers. */
 	synchronize_rcu();
-
-	return 0;
 }
 EXPORT_SYMBOL(nf_log_unregister_pf);